let obj = 18

//赋值复杂数据类型的变量，相当于赋值地址
module.exports = obj

//赋值复杂数据类型的变量，相当于赋值地址
exports = obj

module.exports.name = "张三"

console.log(exports);
//{age:18,name:"张三"}

console.log(module.exports)
//{age:18,name:"张三"}

